{"coeffs": [6.66091657699194e-08, 0.1376603316851808, 2.0354193644763954, 0.12962368452177042], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [6.048423794420666e-08, 5818.4644358307205, 5522.670878147859, 0.051154170771791165], "covariance": [[3.658343039691408e-15, -0.00022625868042516206, -0.000214761569868989, -2.3798028992451308e-09], [-0.0002262586805063092, 33854528.39102691, 32133464.080885477, 285.09356658025297], [-0.0002147615699481151, 32133464.08088497, 30499893.628342442, 270.6026801613008], [-2.379802899814309e-09, 285.0935665355516, 270.6026801186206, 0.002616749187349573]]}